Received a live vaccine within days of the first dose of study medication Administration of a live vaccine within days prior to first dose of study drug Received a live vaccine within days prior to first dose of study drug Has received a live vaccine within days prior to the first dose of study therapy Has received a live-virus vaccine within days prior to first dose of study medication. Has received a live vaccine within days prior to the first dose of study therapy Have received a live vaccine within days before the first dose of study treatment. Has received a live vaccine within days prior to first dose of study drug. Received a vaccine within days of first dose Received a live vaccine within days of the first dose of treatment. Received a live vaccine =< days prior to registration Vaccinations with a live vaccine within days prior to start of treatment or need for live vaccine at any time during study treatment. Has received a live vaccine ? days prior to study registration Has received a live vaccine within days prior to the initiation of lymphodepletion. Has received a live vaccine within days prior to registration Has received a live attenuated vaccine within days before the first dose of study drug Has received a live vaccine within days prior to the first dose of study drug Received live vaccine within days prior to enrollment Has received a live vaccine within days prior to the first dose of study treatment. Live vaccine ? weeks prior to enrollment Received any live vaccine within the last days Patients who have received a live vaccine within days prior initiation of the systemic regimen Received a live vaccine within weeks prior to the start of study drug Patients who have received a live vaccine within days prior initiation of the systemic regimen Has received a live vaccine within days of first study procedure (apheresis) Patients who have received live, attenuated vaccine within days prior to the first dose of PD- inhibitor. Has received a live vaccine within days prior to the first dose of study drug Received a live vaccine within days prior to start of study treatment Received a live vaccine =< days prior to registration Administration of a live vaccine within weeks of first dose of study drug Has received a live vaccine within days prior to first dose Patients who have received a live vaccine within days prior to the first dose of pembrolizumab Received live vaccine within days prior to enrollment Received a live vaccine =< days prior to registration Has received a live vaccine within days prior to registration Has received a live attenuated vaccine within days before the first dose of study drug Subjects must not have received a live vaccine within days prior to the first dose of study medication Received a live vaccine within days of first protocol treatment Have received a live vaccine within days before the first dose of study treatment. Received live vaccine =< days prior to registration Has received a live vaccine within days prior to the first dose of study drug Received a live vaccine within days prior to first dose of study drug Patient has received a live vaccine within weeks prior to the first dose of treatment Administration of a live vaccine within weeks of first dose of study drug Have received any live vaccine within days prior to first study drug administration. History of receiving a live vaccine days prior to study treatment. Has received a live vaccine within days prior to the first dose of study treatment Received a live vaccine within days prior to the first dose of study treatment. Received live vaccine within days prior to enrollment Patient has received a live vaccine within days prior to first dose Live vaccine within days prior to treatment initiation. Patients who have received a live vaccine within days prior to the radiation therapy Has received a live vaccine within days prior to the first protocol treatment Received any live vaccine =< days prior to registration Received a live vaccine within week prior to the first dose of study treatment Has received a live vaccine within days prior to transplant admission Has received a live vaccine within days of the first dose of study therapy Has received a live vaccine within days prior to first dose of study drug. Received a live vaccine within days prior to the first dose of study medication Live vaccine use within days of first dose of study medication. Has received a live virus vaccine within days of allocation. Has received a live virus vaccine within days of randomization. Received live vaccine within days prior to enrollment Has taken any prohibited medications that are listed in the protocol within days of the first dose of study treatment. Subject has received or will receive a live vaccine within days before the first administration of study treatment Subject has received a live virus vaccine within the previous weeks. Patients planning for a live vaccine Has received a live vaccine within days prior to first dose. Received or will receive a live vaccine within days prior to first dose of study drug Received a live vaccine within days prior to first dose of study drug Live vaccine ? weeks prior to start of conditioning regimen Received a live vaccine within days of the first dose of study medication Treatment with live vaccine within days prior to the first dose of study medication are not eligible Has received a live vaccine within days prior to the first dose of study drug Has received a live vaccine within days prior to the radiation therapy Has received a live vaccine within days prior to the first dose of study drug Has received a live vaccine within days prior to the first dose of study treatment Has received a live vaccine within days prior to the first dose of study treatment Has received a live vaccine within days of the first dose of study treatment. Live vaccine within days prior to registration. Has received a live vaccine within days prior to first dose of study therapy Patient who have received a live vaccine within days prior to cycle day Have received a live vaccine within days before the first dose of study treatment Participant has received a live vaccine within weeks (less than days) prior to CD Subject has received a live vaccine within weeks prior to CD Received live, attenuated vaccine within days prior to the first dose of mogamulizumab; Participant has received a live vaccine within weeks prior to screening Received live vaccine within days prior to enrollment Received a live vaccine within days prior to day Has received a live vaccine within days prior to first dose Has received a live vaccine within days prior to the first dose of study therapy Has received a live vaccine within days prior to the first dose of study treatment Has received a live vaccine within days prior to the first dose of study treatment. Live vaccine ? weeks prior to enrollment Has received a live-virus vaccine within days prior to the first dose of study treatment Received a live viral vaccine within months prior to the first dose of study drug. Received live vaccine within days prior to enrollment. Has received a live vaccine within days prior to randomization. Received live vaccine within days prior to enrollment. Has received a live vaccine within days prior to first dose of study drug.